Semiconductor Physics,
  Quantum Electronics & 
     Optoelectronics     SPQEO

Semiconductor Physics, Quantum Electronics and Optoelectronics (SPQEO) is published online and available on the official journal web-page http://www.journal-spqeo.org.ua and is archived on V.I. Vernadsky National Library of Ukraine (http://www.nbuv.gov.ua)
Both sources are free to download and read journal papers due to Creative Commons Attribution-NoDerivatives 4.0 International License (CC-BY-ND).

Authors can archive post-print (ie final draft post-refereeing) or publisher's version/PDF to arxiv.org according to blue Sherpa/RoMEO archiving policy (See more information on http://www.sherpa.ac.uk/romeo).